.map_bottom {
	width: 100%;
	height: 50px;
	border-top: solid 1px #efefef; 
	position: fixed; /*or前面的是absolute就可以用*/  
    bottom: 0px;
    background: #fff;  
}

.div-item {
	width: 33px;
	height: 50px;
	float: left;
	/*margin-left: 12%;*/
	margin-left: 18%;
}

.img-itme {
	width: 33px;
	height: 33px;
	
}

.express_btn {
	background: url("../../images/map/express_btn.png") no-repeat;
	-webkit-background-size: 33px 33px;
	background-size: 33px 33px;
}

.maintain_btn {
	background: url("../../images/map/maintain_btn.png") no-repeat;
	-webkit-background-size: 33px 33px;
	background-size: 33px 33px;
}


.recharge_btn {
	background: url("../../images/map/recharge_btn.png") no-repeat;
	-webkit-background-size: 33px 33px;
	background-size: 33px 33px;
}

.rentCar_btn {
	background: url("../../images/map/rentCar_btn.png") no-repeat;
	-webkit-background-size: 33px 33px;
	background-size: 33px 33px;
}

